564844

Name: Festo 564844 One-way flow control valve GRLA-3/8-QB-3/16-U
Brand: Festo

One-way flow control valve GRLA-3/8-QB-3/16-U

The Festo 564844 is an industrial component featuring an exhaust air flow control non-return function with a QB-3/16 pneumatic connection 1 and a 3/8 NPT pneumatic connection 2. Actuated manually via a slotted screw adjusting element, this screw-in mounting unit utilizes a nickel-plated brass screwed plug and operates within a temperature range of 32 °F to 140 °F at pressures from -13,8 psi to 116 psi. It delivers a standard nominal flow rate of 47,6 cfm in the flow control direction and 36,4 cfm to 48,5 cfm in the non-return direction, utilizing compressed air as per ISO 8573-1:2010 [7:4:4] with possible oil lubrication. Submit the exact part number, quantity, and application requirements to request a quote.

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Manufacturer: Festo
Part number: 564844
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Technical Specifications

Valve function: Exhaust air flow control non-return function
Pneumatic connection 1: QB-3/16
Pneumatic connection 2: 3/8 NPT
Actuation type: Manual
Adjusting element: Slotted screw
Type of mounting: Screw-in | With external thread
Standard nominal flow rate in flow control direction: 47,6 cfm
Standard nominal flow rate in non-return direction: 36,4 cfm...48,5 cfm
Ambient temperature: 32 °F...140 °F
Mounting position: Any
Operating pressure for entire temperature range: -13,8 psi...116 psi
Standard flow rate in flow control direction 6 -> 0 bar: 61,5 cfm
Standard flow rate in non-return direction at 6 -> 0 bar: 61,5 cfm...64,2 cfm
Operating medium: Compressed air as per ISO 8573-1:2010 [7:4:4]
Information on operating and pilot media: Operation with oil lubrication possible (required for further use)
LABS (PWIS) conformity: VDMA24364 zone III
Temperature of medium: 32 °F...140 °F
Max. tightening torque: 16,2 ft-lbf
Product weight: 2,31 oz
Material of screwed plug: Brass | Nickel-plated
Note on materials: RoHS-compliant
Seals material: NBR
Hollow bolt material: Brass | Nickel-plated
Releasing ring material: POM

Engineering context

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Our sourcing response is prepared against Festo 564844. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.